#define _CRT_SECURE_NO_WARNINGS 1
#include <iostream>
using namespace std;

class A
{
public:
	A(int a = 0)
		:_a(a)
	{
		cout << "A():" << this << endl;
	}
	~A()
	{
		cout << "~A():" << this << endl;
	}
private:
	int _a;
};
int main()
{

	return 0;
}
